基础自测 (十五)
必修3 Module 3 The Violence of Nature 姓名: 时间:30分钟
Ⅰ.阅读理解
主题
词数
体裁 说明文
In areas like the Central United States that get lots of tornadoes, there’s a common piece of celestial (天上的)fortune-telling that green skies mean a tornado is on its way. Research has shown that it isn’t quite as simple as that, but scientists have found that if you see a green sky, you should probably go inside. As far as most scientists can tell, the green skies around powerful thunderstorms are usually a combination of red sunsets and water droplets.
Daytime skies are blue because blue shorter wavelengths of visible light tend to bounce off(反射) air molecules better than red longer wavelength light. So the blue light gets bounced all over the sky and looks like it’s coming from everywhere. Meanwhile, around sunset, sunlight travels through so much atmosphere that just about all the blue is bounced away from the horizon, leaving all those reds and oranges behind. The sunset might look exclusively red and orange, but there’s still some green and even blue light hidden in there, just
绿色天空和龙卷风 347
far less than the other colours. But for us to notice the remaining green light, it needs to hit something that reflects green light much better than red. That’s where water comes in.
Big, tall, threatening storm clouds are made of water droplets, and even though water is best at reflecting blue light, it can still reflect green pretty well, much better than red and orange. So under just the right conditions, the water in and around a cloud can bounce the green light hidden in the sunset right into our eyes, making the sky look green.
Still, not all of the conditions that can turn skies green are unique to the clouds that produce tornadoes. Sometimes they just lead to lots of rain, and maybe some hail. So if you see huge storm clouds rolling in and a green tint(色调) in the sky, it doesn’t necessarily mean there’s about to be a tornado, but it does mean you should probably head indoors. ( )1.What can be the best title for the text? A.Why does the Central United States get tornadoes? B.Do green skies mean a coming tornado? C.A common piece of celestial fortune-telling D.Green skies are unique to clouds
( )2.Why are the skies blue in the daytime?
A.Because only blue light can be bounced in the daytime. B.Because there is more blue light than light of other colours. C.Because blue light is bounced all over the sky.
D.Because red light is weaker than blue light.
( )3.What does the underlined word “it” in Paragraph 2 refer to? A.The sunset. B.Red light. C.Blue light. D.Water.
( )4.What can we learn about from the text?
A.Storm clouds are made of water droplets and green light. B.Water can reflect red light as well as blue light. C.There are only red and orange lights in the sunset. D.If you see a green sky, there will be a tornado. Ⅱ.阅读七选五
主题 暴风雨前的平静
词数 234
“The calm before the storm” is a very familiar expression. It is usually used to describe a peaceful period just before a very stressful situation or a tense argument. 1. They noted that before certain storms the seas would seem to become calm and the winds would drop.
But why is it often so calm before a storm? 2. According to US website HowStuffWorks, a calm period occurs because many storms, tornadoes
体裁 说明文
and hurricanes draw in all the warm and damp air from the surrounding area. As this air rises into the storm clouds, it cools and acts as “fuel for the storm,like petrol in a car”.
Once the storm has taken all the energy it can take from the air, it is pushed out from the top of the storm clouds and falls back down to ground level. 3. So once it covers an area, it causes a calm period before the storm.
4. First count how many seconds there are between a flash of lightning and a clap of thunder (roughly three seconds equal one kilometre). A good judgement is that if your count is below 30 seconds, you should seek shelter straight away.
However, due to the complexity of storm system, calm doesn’t always go first. So, your best bet is to keep yourself updated with weather reports for any predictions regarding a coming storm in your area. 5. A.Science has given us the answer.
B.There is no definite answer to the question. C.Weather reports sometimes cannot be trusted. D.British sailors coined the phrase in the late 1600s.
E.As the air declines, it becomes warm and dry, which is stable.
F.The Weather Network has a tip for working out how far away a storm is. G.That’s the most reliable way to predict the next display of nature’s temper. Ⅲ.完形填空
主题 救灾
词数 344
体裁 记叙文
People shall always unite as one big family in the face of disasters. When Hurricane Harvey hit Texas, Reader’s Digest wrote about impressive rescues. The spirit of serving can be incredibly 1 . Here is a story from Annalysa Longworth, a survivor of Hurricane Maria, in her own 2 .
“The total 36 hours of Hurricane Maria in Puerto Rico was 3 the scariest event we’ve ever gone through. Our house sits on the north-west coast of Rincon. In the 4 , over 100 mph winds changed direction, causing a great amount of water to flood our 5 . The only place left dry and safe was our kitchen floor, where we were 6 to ride out the rest of the storm. It has been 50 days since the 7 , and we are still without power and water. During our regular afternoon showers, we are glad to 8 rainwater but are quickly reminded of the people living without roofs, and how 9 it must be for them. Our emotions are consistently in a state of 10 . Recently, our good friends told us about a video interview they were doing with Watts of Love, a solar light company. The company generously gave us a headlamp for our personal 11 and a box with 50 headlamps to distribute throughout our town. Rincon was completely blacked out so making a simple walk through a parking lot to our car is 12 . We used to rush to get things done before 13 , but now we continue daily chores in the dark. What 14
必修3 Module 3 The Violence of Nature-黑龙江省海林市朝鲜族中学2024届高三英语一轮复习题（外研版）
